Base | Representation |
---|---|
bin | 11010001111101… |
… | …01111010100000 |
3 | 120100021021021001 |
4 | 31013311322200 |
5 | 422330102043 |
6 | 33502441344 |
7 | 5312216602 |
oct | 1507657240 |
9 | 510237231 |
10 | 220159648 |
11 | 103302225 |
12 | 61893254 |
13 | 367c52a7 |
14 | 2134d172 |
15 | 144dc74d |
hex | d1f5ea0 |
220159648 has 48 divisors (see below), whose sum is σ = 452057760. Its totient is φ = 105414400.
The previous prime is 220159637. The next prime is 220159651. The reversal of 220159648 is 846951022.
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120663 + ... + 122473.
It is an arithmetic number, because the mean of its divisors is an integer number (9417870).
Almost surely, 2220159648 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 220159648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226028880).
220159648 is an abundant number, since it is smaller than the sum of its proper divisors (231898112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220159648 is a wasteful number, since it uses less digits than its factorization.
220159648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1981 (or 1973 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 37.
The square root of 220159648 is about 14837.7777311833. Note that the first 4 decimals coincide. The cubic root of 220159648 is about 603.8270633356.
The spelling of 220159648 in words is "two hundred twenty million, one hundred fifty-nine thousand, six hundred forty-eight".
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